What Your Corn Needs Now

September 21, 2009 07:00 PM
 

Sara Schafer, AgWeb Crops Online Editor
 
How does your corn look? Are you predicting record yields? This spring, summer and fall has had ups and downs and now it is wait-and-see time. Read on to learn what your corn crop needs to bring this crop season to a successful close.
 
Emerson D. Nafziger, University of Illinois professor of agronomic Extension, says even with the season's excessive rainfall, late planting and some nitrogen loss good yields are still expected for corn in his state. Good, but probably not record-setting.
 
To achieve these good yields, several factors will have to fall into place.
 
Ample Moisture and Light Breezes
Nafziger says some of the corn in his area could really use some rain. He says corn that has poor root systems from stress earlier in the season could be at risk.
 
"A big concern if the crop dies prematurely is stalk standability,” he says. "We won't want strong winds.”
 
The plus of drier weather is less diseases pressure. So far, he says, this month has been good for corn.
 
Good Timing
With planting delays in both corn and soybeans, farmers might have to choose which to harvest first, Nafziger says. "It is pretty unusual to get to the end of September and not have much harvested,” he says. "People will have to move quickly.”
 
Currently, only 21 percentage points of U.S. corn is mature, that's compared to a five-year average of 55 percentage points.
 
USDA's latest corn maturity report: 


        Corn:  Percent Mature,       
          Selected States 1/         
--------------------------------------
      :      Week Ending      :      
      :-----------------------: 2004-
State:Sep 20,:Sep 13,:Sep 20,: 2008 
      : 2009  : 2009  : 2008  : Avg. 
--------------------------------------
      :            Percent           
      :                              
CO    :  31      17      49      39  
IL    :  13       6      29      69  
IN    :  14       7      37      57  
IA    :  22       8      21      55  
KS    :  53      31      57      78  
KY    :  61      44      83      88  
MI    :  10       2      31      43  
MN    :   4       1      16      40  
MO    :  53      34      42      80  
NE    :  15       9      19      44  
NC    :  96      94      98      98  
ND    :   0       0      13      36  
OH    :  14      11      44      39  
PA    :  18      11      33      52  
SD    :  11       5      22      39  
TN    :  69      51      86      95  
TX    :  73      72      74      85  
WI    :  10       1      13      29  
      :                              
18 Sts:  21      12      30      55 
--------------------------------------
1/  These 18 States planted 92% of   
    last year's corn acreage.

For More Information
 
 

 
You can e-mail Sara Schafer at sschafer@farmjournal.com.
 
 

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